(19)
(11) EP 1 188 986 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.10.2003 Bulletin 2003/42

(43) Date of publication A2:
20.03.2002 Bulletin 2002/12

(21) Application number: 01000448.9

(22) Date of filing: 12.09.2001
(51) International Patent Classification (IPC)7: F22G 7/14
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 18.09.2000 FI 20002055

(71) Applicant: Kvaerner Pulping Oy
33100 Tampere (FI)

(72) Inventor:
  • Salmela, Matti
    33900 Tampere (FI)

(74) Representative: Kaukonen, Juha Veikko 
Kolster Oy Ab, Iso Roobertinkatu 23, P.O. Box 148
00121 Helsinki
00121 Helsinki (FI)

   


(54) Arrangement in recovery boiler


(57) The invention relates to an arrangement in a recovery boiler (1) whose upper part comprises superheaters (7) and a flue gas channel (6) leading out therefrom, a first flue gas channel part (6a) being arranged vertically so that the flue gases flow to the channel part (6a) downward in the longitudinal direction.
The arrangement of the invention is characterized in that it comprises at least one superheater (T) located in the vertical flue channel part (6a) outside the furnace of the recovery boiler (1).






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